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參數(shù)資料
| 型號： | MPC5200 |
| 廠商： | 飛思卡爾半導體(中國)有限公司 |
| 英文描述： | Hardware Specifications |
| 中文描述： | 硬件規(guī)格 |
| 文件頁數(shù)： | 34/80頁 |
| 文件大小： | 790K |
| 代理商： | MPC5200 |
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MPC5200 Data Sheet, Rev. 4
Electrical and Thermal Characteristics
Freescale Semiconductor
34
The MPC5200 ATA Host Controller design makes data available coincidentally with the active edge of the
WRITE strobe in PIO and Multiword DMA modes.
Write data is latched by the drive at the inactive edge of the WRITE strobe. This gives ample
setup-time beyond that required by the ATA-4 specification.
Data is held unchanged until the next active edge of the WRITE strobe. This gives ample
hold-time beyond that required by the ATA-4 specification.
All ATA transfers are programmed in terms of system clock cycles (IP bus clocks) in the ATA Host
Controller timing registers. This puts constraints on the ATA protocols and their respective timing modes
in which the ATA Controller can communicate with the drive.
Faster ATA modes (i.e., UDMA 0, 1, 2) are supported when the system is running at a sufficient frequency
to provide adequate data transfer rates. Adequate data transfer rates are a function of the following:
The MPC5200 operating frequency (IP bus clock frequency)
Internal MPC5200 bus latencies
Other system load dependent variables
The ATA clock is the same frequency as the IP bus clock in MPC5200. See the MPC5200 User Manual [1].
NOTE
All output timing numbers are specified for nominal 50 pF loads.
Table 27. PIO Mode Timing Specifications
PIO Timing Parameter
Min/Max
(ns)
Mode 0
(ns)
Mode 1
(ns)
Mode 2
(ns)
Mode 3
(ns)
Mode 4
(ns)
SpecID
t0
Cycle Time
min
600
383
240
180
120
A8.1
t1
Address valid to DIOR/DIOW setup
min
70
50
30
30
25
A8.2
t2
DIOR/DIOW pulse width 16-bit
8-bit
min
min
165
290
125
290
100
290
80
80
70
70
A8.3
t2i
DIOR/DIOW recovery time
min
—
—
—
70
25
A8.4
t3
DIOW data setup
min
60
45
30
30
20
A8.5
t4
DIOW data hold
min
30
20
15
10
10
A8.6
t5
DIOR data setup
min
50
35
20
20
20
A8.7
t6
DIOR data hold
min
5
5
5
5
5
A8.8
t9
DIOR/DIOW to address
valid hold
min
20
15
10
10
10
A8.9
tA
IORDY setup
max
35
35
35
35
35
A8.10
tB
IORDY pulse width
max
1250
1250
1250
1250
1250
A8.11
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| MPC5200BV400 | 功能描述:微處理器 - MPU 400MHz 760MIPS RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324 |
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